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Catalog Number:
38601
CAS Number:
518-51-4
Phenolphthalein disodium salt (Water soluble)
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$273.61 /25G
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Product Information

Phenolphthalein disodium salt is a water-soluble compound widely recognized for its applications in various fields, including analytical chemistry and pharmaceuticals. This compound serves as a pH indicator, transitioning from colorless in acidic solutions to pink in alkaline environments, making it an essential tool for titrations and other analytical procedures. Its unique solubility enhances its usability in aqueous solutions, allowing for precise measurements in laboratory settings. Additionally, phenolphthalein disodium salt is utilized in the formulation of laxatives and other medicinal products, where its properties aid in promoting digestive health.

Researchers and industry professionals appreciate the compound's stability and effectiveness, which make it a preferred choice over other indicators that may not offer the same clarity or reliability. Its versatility extends to educational settings, where it is commonly used in experiments to demonstrate acid-base reactions. With its proven track record in both laboratory and industrial applications, phenolphthalein disodium salt stands out as a valuable resource for those seeking reliable and effective chemical solutions.

CAS Number
518-51-4
Molecular Formula
C20H12Na2O4
Molecular Weight
362.29
MDL Number
MFCD00051414
PubChem ID
68206
Appearance
Red to dark blue to black powder to crystal
Conditions
Store at RT
General Information
CAS Number
518-51-4
Molecular Formula
C20H12Na2O4
Molecular Weight
362.29
MDL Number
MFCD00051414
PubChem ID
68206
Appearance
Red to dark blue to black powder to crystal
Conditions
Store at RT
Properties
Additional property information coming soon!
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Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

Phenolphthalein disodium salt is widely utilized in research focused on:

  • pH Indicator: Commonly used in titrations, it provides a clear visual change from colorless to pink, making it easy to determine the endpoint of an acid-base reaction.
  • Pharmaceutical Applications: Employed in the formulation of laxatives, it helps in diagnosing gastrointestinal issues due to its ability to indicate pH changes in the digestive tract.
  • Laboratory Research: Frequently used in chemical experiments to study reaction kinetics and equilibrium, allowing researchers to monitor changes in acidity or alkalinity.
  • Water Quality Testing: Utilized in environmental science to assess the pH levels of water samples, ensuring compliance with safety standards for drinking water.
  • Educational Purposes: A staple in chemistry classrooms, it aids in teaching fundamental concepts of acid-base chemistry through hands-on experiments.

Citations